The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、代
酸钠和溴代正
烷为原料,
了正庚醛正
醇缩醛。
The heptanal butyl mercaptal was synthesized with heptanal, sodium thiosuifate and 1bromobutane as raw materials.
以正庚醛、代
酸钠和溴代正
烷为原料,
了正庚醛正
醇缩醛。
In stead of using butyl nitrite and absolute ethyl-ether as reagents,in an improved method,cupferron.
本文介绍了以亚硝酸乙酯代替亚硝酸酯,用氯
代替无水乙醚
铜铁试剂的新工艺。
The bulk and solution photopolymerization of vinyl butyl ether were studied using diph-enyl-4-thiophenoxyphenyl sulfonium salt (DPTS) as photoinitiator.
以二-4-
代
鎓盐(DPTS)为光引发剂,研究了乙烯
正
醚的本体和溶液光聚
。
Phragmoplast of coil coating has been prepared by free radical polymerization and by using acrylic acid,methyl methacrylate,butyl acrylate as the raw materials.
以丙烯酸、丙烯酸酯和甲
丙烯酸甲酯为单体,采用自由
聚
法制备了聚丙烯酸卷材涂料前驱
膜物,获得了适宜的制备工艺条件。
N butyl 2 ethoxy thioacridone was prepared from o chloro benzoic acid and p phenetidine by means of Ullman reaction,cyclization,N alkylation and sulfurization.
以邻氯甲酸和对乙氧
胺为原料,经过胺的
化、二芳胺的环化、N-烷
化、
代化反应
了N-
-2-乙氧
代吖啶酮。
The technical advantages and disadvantages of natural rubber liner, chloroprene rubber liner, precuring butyl rubber liner and room temperature self-vulcanization butyl rubber liner are compared.
对比了天然胶衬里、氯
胶衬里、预
化
胶衬里、室温自
化
胶衬里的技术优缺点。
In this paper, the PVA of major component in the Sensitized emulsion was modified by the polyreaction with formaldehyde, butyl aldehyde, furfural and alcohol.
用甲醛、醛、糠醛对重氮感光胶中的主要
分聚乙烯醇进行改性,以增强感光胶的耐水性和耐磨性。
The main materials we used are including silicone rubber, fluorubber, natural rubber, neoprene rubber, EPDM, butyl rubber, polyurethane, polyethylene, EVA, ABS, PP, and PVC.
使用的原料有硅胶、氟
胶、天然
胶、氯
胶、三元乙丙
胶、
胶、聚氨脂
胶、聚乙烯、聚丙烯、EVA、ABS、PP、PVC等。
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